Florida Statute: 921.141
http://www.leg.state.fl.us/Statutes..._Statute&Search_String=&URL=Ch0921/Sec141.HTM
Relevant Aggravating Circumstances:
(d) The capital felony was committed while the defendant was engaged, or was an accomplice, in the commission of, or an attempt to commit, or flight after committing or attempting to commit, any: robbery; sexual battery; aggravated child abuse; abuse of an elderly person or disabled adult resulting in great bodily harm, permanent disability, or permanent disfigurement; arson; burglary; kidnapping; aircraft piracy; or unlawful throwing, placing, or discharging of a destructive device or bomb.
(h) The capital felony was especially heinous, atrocious, or cruel.
(i) The capital felony was a homicide and was committed in a cold, calculated, and premeditated manner without any pretense of moral or legal justification.
(l) The victim of the capital felony was a person less than 12 years of age.
(m) The victim of the capital felony was particularly vulnerable due to advanced age or disability, or because the defendant stood in a position of familial or custodial authority over the victim.
Relevant Mitigating Circumstances:
(b) The capital felony was committed while the defendant was under the influence of extreme mental or emotional disturbance.
(e) The defendant acted under extreme duress or under the substantial domination of another person.
(f) The capacity of the defendant to appreciate the criminality of his or her conduct or to conform his or her conduct to the requirements of law was substantially impaired.
(g) The age of the defendant at the time of the crime.
(h) The existence of any other factors in the defendant's background that would mitigate against imposition of the death penalty.